Finding the Fourth Proportional to 23,137.72, 34,748.96 and 21,185.82

Step by Step Solution

1. Step 1: Write the proportion equation
   23,137.72 : 34,748.96 = 21,185.82 : x
2. Step 2: Convert to fraction form
   23,137.72/34,748.96 = 21,185.82/x
3. Step 3: Cross multiply
   23,137.72x = 34,748.96 × 21,185.82
4. Step 4: Simplify right side
   23,137.72x = 736,185,211.75
5. Step 5: Solve for x
   x = 736,185,211.75/23,137.72
6. Step 6: Final answer
   x = 31,817.53